Aromatic derivatives of phosphonoformic acid, processes for their preparation, pharmaceutical compositions containing them and their use for combating virus infections
申请人:Astra Läkemedel Aktiebolag
公开号:EP0003275A1
公开(公告)日:1979-08-08
A compound of the formula
wherein R,, R2 and R3 are the same or different, and each is selected from the group consisting of hydrogen and phenyl groups of the formula
wherein R4 and R5 are the same or different and each is. selected from the group consisting of hydrogen, halogen, alkyl having 1; 2, or 3 carbon atoms, alkoxy having 7,2. or 3 carbon atoms, alkoxycarbonyl having 2-7 carbon atoms; and alkylcarbonyl groups having 2-7 carbon atoms; or R4 and R5 together form a straight saturated alkylene chain having 3 or 4 carbon atoms and being bound to adjacent positions, i.e. 2,3- or 3,4- in the phenyl ring; provided that one of R1 and R2 is a phenyl group of the formula II when R3 is H; and physiologically acceptable salts and optical isomers thereof; methods for preparation of the compounds, pharmaceutical compositions containing them, and their medicinal use.
式中的化合物
其中 R、R2 和 R3 相同或不同,且各自选自由氢和式中的苯基组成的组
其中 R4 和 R5 相同或不同,且各自选自由氢、卤素、具有 1;2 或 3 个碳原子的烷基、具有 7、2. 或 3 个碳原子的烷氧基、具有 2-7 个碳原子的烷氧羰基;以及具有 2-7 个碳原子的烷基羰基组成的组;或 R4 和 R5 共同形成具有 3 或 4 个碳原子的直饱和亚烷基链,并与相邻位置结合,即即苯基环中的2,3-或3,4-;条件是当R3为H时,R1和R2中的一个是式II的苯基;以及它们的生理上可接受的盐和光学异构体;化合物的制备方法、含有它们的药物组合物及其药用用途。